Fixed RbConfig spec for multiarch

1 files changed, 7 insertions, 6 deletions

diff --git a/spec/ruby/library/rbconfig/rbconfig_spec.rb b/spec/ruby/library/rbconfig/rbconfig_spec.rb
index 4decb91c50..4d6824dfb4 100644
--- a/spec/ruby/library/rbconfig/rbconfig_spec.rb
+++ b/spec/ruby/library/rbconfig/rbconfig_spec.rb
@@ -39,12 +39,13 @@ describe 'RbConfig::CONFIG' do
 
   guard -> {RbConfig::TOPDIR} do
     it "libdir/LIBRUBY_SO is the path to libruby and it exists if and only if ENABLE_SHARED" do
-      if RbConfig::CONFIG['ENABLE_SHARED'] == 'yes'
-        libdir = RbConfig::CONFIG['libdir']
-        File.should.exist?("#{libdir}/#{RbConfig::CONFIG['LIBRUBY_SO']}")
-      elsif RbConfig::CONFIG['ENABLE_SHARED'] == 'no'
-        libdir = RbConfig::CONFIG['libdir']
-        File.should_not.exist?("#{libdir}/#{RbConfig::CONFIG['LIBRUBY_SO']}")
+      libdir = RbConfig::CONFIG[RbConfig::CONFIG['libdirname'] || 'libdir']
+      libruby_so = "#{libdir}/#{RbConfig::CONFIG['LIBRUBY_SO']}"
+      case RbConfig::CONFIG['ENABLE_SHARED']
+      when 'yes'
+        File.should.exist?(libruby_so)
+      when 'no'
+        File.should_not.exist?(libruby_so)
       end
     end
   end